KR20170112268A - Lamp for vehicle - Google Patents

Lamp for vehicle Download PDF

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Publication number
KR20170112268A
KR20170112268A KR1020160039093A KR20160039093A KR20170112268A KR 20170112268 A KR20170112268 A KR 20170112268A KR 1020160039093 A KR1020160039093 A KR 1020160039093A KR 20160039093 A KR20160039093 A KR 20160039093A KR 20170112268 A KR20170112268 A KR 20170112268A
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KR
South Korea
Prior art keywords
vehicle
light source
beam pattern
reflector
light
Prior art date
Application number
KR1020160039093A
Other languages
Korean (ko)
Inventor
손영호
Original Assignee
에스엘 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 에스엘 주식회사 filed Critical 에스엘 주식회사
Priority to KR1020160039093A priority Critical patent/KR20170112268A/en
Publication of KR20170112268A publication Critical patent/KR20170112268A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The vehicle lamp according to the embodiment of the present invention emits the first beam pattern toward the front of the vehicle and prevents the first beam pattern from being irradiated to the area corresponding to the position of the opposing vehicle appearing in front of the vehicle And a second beam pattern is emitted to both sides of the first beam pattern, and when an opposing vehicle emerging in front of the vehicle is located in a region irradiated with the second beam pattern, And a second adaptive driving beam module to prevent the beam pattern from being irradiated.

Description

Lamp for vehicle

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lamp for a vehicle, and more particularly to a lamp for a vehicle that irradiates light corresponding to a position of an opposing vehicle appearing in front of the vehicle.

2. Description of the Related Art [0002] Generally, a vehicle is provided with a variety of vehicle lamps having a lighting function for easily confirming an object located in the vicinity of the vehicle at nighttime, and a signal function for informing other users or road users of the running state of the vehicle.

Among the lamps mounted on the vehicle, the headlamp is a lamp including a function of securing the front view of the driver at nighttime driving, and generally includes a low beam (downward beam) irradiated near the front of the vehicle and a low beam It is equipped with a function to simultaneously or separately irradiate high beams (upward beams) irradiated to a long distance.

In the driver's viewpoint, it is the safest way to operate the vehicle because it is possible to simultaneously observe the driver's view of the near and far parts of the vehicle in front of the vehicle by simultaneously scanning the low beam and the high beam. However, It causes the glare of the pedestrian to be dangerous to prevent the visibility during the time required for the adaptation and the dark adaptation.

However, repeating the ON / OFF operation of the high beam by continuously checking the counter vehicle or pedestrian, etc., also hinders the safety of the vehicle operation, and the driver feels considerable inconvenience.

By complementing this, it is possible to automatically turn ON / OFF the high beams according to the presence or absence of the opponent vehicle and / or the preceding vehicle, or to control the irradiation angle and / or brightness of the low beam / high beam according to the road situation (street, highway, A driver assist system such as a driver assist system has been developed and commercialized.

Recently, an adaptive vehicle which detects an opposing vehicle, a preceding vehicle, a pedestrian, etc. from a video image in front of the vehicle and changes a lamp irradiation angle so that a high beam is not irradiated or a light source is turned off so that a detected vehicle, a pedestrian, It is evolving into an adaptive drive beam (ADB) technology.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lamp for a vehicle which is improved in forward visibility and can realize an ADB function at a lower cost.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a vehicular lamp including a first beam pattern emitted forward of a vehicle, and a second beam pattern corresponding to a position of a counter vehicle appearing in front of the vehicle, A first adaptive driving beam module for preventing a pattern from being irradiated, and a second beam pattern to both sides of the first beam pattern, wherein an opposing vehicle appearing in front of the vehicle irradiates a region in which the second beam pattern is irradiated And a second adaptive driving beam module for preventing the second beam pattern from being irradiated when the second beam pattern is located.

The second adaptive driving beam module includes a light source, a first reflector for reflecting a part of the light emitted from the light source toward one side of the first beam pattern to form a part of the second beam pattern, And a second reflector for reflecting part of the emitted light toward the other side of the first beam pattern to form a part of the second beam pattern.

The light source may be provided so as to emit light toward the rear of the vehicle, and the first reflector and the second reflector may be provided on the rear side of the light source.

The light source, the first reflector, and the second reflector may be installed on the rear side of the first adaptive driving beam module.

Wherein the first beam pattern includes a plurality of unit beam patterns, and the first adaptive driving beam module includes a plurality of unit beam patterns, each of the plurality of unit beam patterns having a unit beam pattern Can be turned off.

The first adaptive driving beam module may include a plurality of light sources and a lens for refracting light emitted from the plurality of light sources and outputting the light beams to the plurality of unit beam patterns.

The second adaptive driving beam module includes a light source, a light source, a light source, a light source, a light source, a light source, and a light source, To form a part of the second beam pattern by reflecting the light toward the second reflector.

The light source may be provided to emit light toward the rear of the vehicle, and the third reflector may be provided further to the rear side than the light source.

The light source and the third reflector may be installed outside the first adaptive driving beam module with respect to the center axis of the vehicle. Other specific aspects of the present invention are included in the detailed description and the drawings.

The embodiments of the present invention have at least the following effects.

The front view of the driver is expanded.

In addition, the ADB function can be implemented more inexpensively.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the specification.

1 is a view schematically showing a lamp for a vehicle according to a first embodiment of the present invention.
Figs. 2 and 3 are views showing examples of use of a vehicle lamp according to the first embodiment of the present invention. Fig.
4 is a view schematically showing a lamp for a vehicle according to a second embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Further, the embodiments described herein will be described with reference to cross-sectional views and / or schematic drawings that are ideal illustrations of the present invention. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. In addition, in the drawings of the present invention, each component may be somewhat enlarged or reduced in view of convenience of explanation. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining a vehicle lamp according to a first embodiment of the present invention.

1 is a view schematically showing a lamp for a vehicle according to a first embodiment of the present invention.

1, the vehicle lamp according to the first embodiment of the present invention includes a first adaptive driving beam module 11-18 and a second adaptive driving beam module 21-23. The vehicle lamp according to the first embodiment of the present invention is installed in a headlamp provided on the front face of the vehicle and can irradiate a predetermined beam pattern toward the front of the vehicle.

The first adaptive driving beam modules 11 to 18 include a plurality of first light sources 11 to 14 and a plurality of lenses 15 to 18.

As the first light sources 11 to 14, semiconductor light emitting elements such as LED (Light Emitting Diode) and LD (Laser Diode) can be used. Alternatively, a bulb-type lamp may be used as the first light source 11 to 14. As the bulb type lamp, a halogen lamp, a HID (High Intensity Discharge) lamp and the like can be used.

The light emitted from the plurality of first light sources 11 to 14 is transmitted through the lenses 15 to 18 to form a unit beam pattern L1, L2, L3 and L4, Pattern. The unit beam patterns L1, L2, L3, and L4 irradiated to the front of the vehicle are formed as beam patterns of upward and downward beams extending vertically around the cut-off line of the downward beam.

As shown in Fig. 1, each of the unit beam patterns L1, L2, L3, and L4 may be irradiated substantially in a lateral direction in the vehicle front side so as to be adjacent to each other. In the present embodiment, as an example of the first beam pattern, four unit beam patterns L1, L2, L3, and L4 are arranged in a row. However, according to the embodiment, And a beam pattern in which a plurality of unit beam patterns are arranged in two or more rows.

As an example of the first adaptive driving beam modules 11 to 18, the light sources 11 to 14 and the lenses 15 to 18 correspond one-to-one with the respective unit beam patterns L1, L2, L3 and L4 However, according to the embodiment, a plurality of light sources may be used instead of one light source for forming one unit beam pattern, or a plurality of unit beam patterns may be formed through one lens.

The plurality of unit beam patterns L1, L2, L3 and L4 may not be irradiated or irradiated to the front of the vehicle as the first light sources 11, 12, 13 and 14 are individually turned on / off.

Accordingly, when an opposing vehicle emerges in any one of the areas irradiated with the plurality of unit beam patterns L1, L2, L3, and L4, the light source of the unit beam pattern irradiated to the corresponding area is turned off The first adaptive driving beam modules 11 to 18 are controlled.

The second adaptive driving beam modules 21 to 23 include a second light source 21, a first reflector 22, and a second reflector 23.

The second light source 21 is installed to emit light in a direction opposite to that of the first light sources 11 to 14 of the first adaptive driving beam modules 11 to 18. That is, the first light sources 11 to 14 are installed to emit light toward the front of the vehicle, but the second light source 21 is installed to emit light toward the rear of the vehicle.

The first reflector 22 and the second reflector 23 are provided on the rear side of the second light source 21 because they are provided in the light emitting direction of the second light source 21.

1, the second light source 21, the first reflector 22, and the second reflector 23 of the second adaptive driving beam modules 21 to 23 are arranged in the same direction as the first adaptive driving beam 21, And can be installed on the rear side of the modules 11 to 18.

Therefore, the front-rear arrangement of the first adaptive driving beam module 11-18 and the second adaptive driving beam module 21-23 according to the first embodiment allows both modules to be used as one A heat sink (not shown) can be shared, and as a result, a compact module design can be realized.

The second light source 21 may also be a semiconductor light emitting device such as an LED (Light Emitting Diode) or an LD (Laser Diode). A bulb type lamp may be used. As the bulb type lamp, a halogen lamp, a HID (High Intensity Discharge) lamp and the like can be used.

A part of the light emitted from the second light source 21 is incident on the first reflector 22 and the other part is incident on the second reflector 23.

The first reflector 22 reflects the incident light toward one side of the first beam pattern, and the second reflector 23 reflects the incident light toward the other side of the first beam pattern.

The second beam patterns L5 and L6 formed by the light emitted from the second light source 21 are disposed on both sides of the first beam pattern forming the plurality of unit beam patterns L1, L2, L3 and L4 Respectively.

In the case where opposing vehicles appear in opposite areas irradiated with the second beam patterns L5 and L6, the second beam patterns L5 and L6 are not emitted by turning off the second light source 21 The second adaptive driving beam modules 21 to 23 are controlled.

Figs. 2 and 3 are views showing examples of use of a vehicle lamp according to the first embodiment of the present invention. Fig.

2, the opposing vehicle C, which faces the front of the vehicle, is irradiated with the first beam patterns L1, L2, L3, L4 (see Fig. 2) in a situation where both the first beam pattern and the second beam pattern are irradiated to the front of the vehicle. ) Of the first light sources 11 to 14 of the first adaptive driving beam module 11 to 18 appears in a region corresponding to the position of the opposing vehicle C among the first light sources 11 to 14 of the first adaptive driving- The light source 12 of the irradiated unit beam pattern L2 is turned off.

As the light source 12 is turned off, the L2 unit beam pattern of the first beam pattern is not irradiated to the front of the vehicle, so that the driver's glare of the opposing vehicle C facing in front of the vehicle is prevented.

On the other hand, in a situation in which both the first beam pattern and the second beam pattern are irradiated to the front of the vehicle, as shown in Fig. 3, the opposing vehicle C facing the front of the vehicle is the second beam pattern L5, L6 When it appears in any one of the areas to be irradiated, the second light source 21 is turned off.

The second beam patterns L5 and L6 irradiated to both sides of the first beam patterns L1, L2, L3 and L4 are not all irradiated to the front of the vehicle as the second light source 21 is turned off, The driver's glare of the opposing vehicle C is prevented.

4 is a view schematically showing a lamp for a vehicle according to a second embodiment of the present invention.

The second adaptive driving beam module 21, 24 of the second embodiment includes a second light source 21 and a third reflector 24 having a curved surface, unlike the first embodiment.

The second light source 21 is installed to illuminate the rear of the vehicle in the traveling direction, and the third reflector 24 is provided behind the second light source for forwardly reflecting the light illuminated by the second light source.

The first adaptive driving beam module 11-18 of the second embodiment can be installed on the inner side with respect to the center axis of the vehicle and the second adaptive driving beam modules 21 and 24 can be installed on the outer side As shown in FIG. Therefore, the vehicle lamp according to the second embodiment shown in Fig. 4 becomes a lamp located on the left side with respect to the traveling direction of the vehicle.

On the contrary, the lamp located on the right side with respect to the traveling direction of the vehicle has the same configuration as that of the lamp of FIG. 4, and the second adaptive driving beam modules 21 and 24 are disposed on the right side of the first adaptive driving beam modules 11 to 18, That is, it is installed outside the vehicle. Therefore, it has a symmetrical structure as shown in Fig.

Part of the light emitted from the second light source 21 is incident on one side of the third reflector 24 and the other part is incident on the other side of the third reflector 24.

One side and the other side of the third reflector 24 reflect the incident light toward one side and the other side of the first beam pattern.

The second beam patterns L5 and L6 formed by the light emitted from the second light source 21 are disposed on both sides of the first beam pattern forming the plurality of unit beam patterns L1, L2, L3 and L4 Respectively.

The second adaptive driving beam modules 21 and 24 may be installed side by side on one side of the first adaptive driving beam modules 11 to 18. The second adaptive driving beam modules 21 and 24 irradiate the second beam patterns L5 and L6 on both sides of the first beam patterns L1 to L4 and therefore the first adaptive driving beam modules 11 and 18 ) Is disposed at the side of the vehicle.

Hereinafter, the use example of the vehicle lamp according to the second embodiment is substantially the same as the use example of the vehicle lamp according to the first embodiment. Therefore, a detailed description of the use example according to the second embodiment will be omitted from the description of the use example according to the first embodiment.

The vehicle lamp according to the first and second embodiments of the present invention can be integrally turned on / off at both sides of the first beam pattern composed of a plurality of unit beam patterns L1, L2, L3, and L4 that can be individually turned on / The second beam patterns L5 and L6 which are extinguished are illuminated to secure a wider range of forward visibility at nighttime and to prevent the driver of the opposing vehicle C from glare.

Since the second beam patterns L5 and L6 are located on both sides of the beam pattern irradiated by the vehicle lamp according to the first and second embodiments of the present invention, even if the second beam patterns L5 and L6 are turned off at once by the appearance of the opposing vehicle C Since the forward view field can be sufficiently secured by the first beam patterns L1, L2, L3, and L4, the driver can safely operate without being perplexed.

In the vehicle lamp according to the first and second embodiments of the present invention, the second beam patterns L5 and L6 which are integrally turned on / off at both sides of the first beam pattern are formed by light emitted from one light source The adaptive drive beam (ADB) can be provided at a lower cost than the case in which the unit beam patterns individually illuminated / extinguished such as the first adaptive driving beam module are irradiated to the area irradiated with the second beam patterns L5 and L6, ) Function can be implemented.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

11 to 14: First light source
15 to 18: Lens
21: second light source
22: first reflector
23: Second reflector
24: Third reflector
L1, L2, L3, L4: first beam pattern
L5, L6: second beam pattern

Claims (9)

A first adaptive driving beam module for emitting a first beam pattern toward the front of the vehicle and preventing the first beam pattern from being irradiated for an area corresponding to the position of the opposing vehicle emerging in front of the vehicle;
A second beam pattern is emitted to both sides of the first beam pattern, and when the counter vehicle emerging in front of the vehicle is located in a region irradiated with the second beam pattern, 2 adaptive driving beam module. The method according to claim 1,
Wherein the second adaptive driving beam module comprises:
Light source;
A first reflector for reflecting part of the light emitted from the light source toward one side of the first beam pattern to form a part of the second beam pattern; And
And a second reflector for reflecting a part of the light emitted from the light source toward the other side of the first beam pattern to form a part of the second beam pattern. 3. The method of claim 2,
Wherein the light source is installed to emit light toward the rear of the vehicle,
Wherein the first reflector and the second reflector are installed on the rear side of the light source. The method of claim 3,
Wherein the light source, the first reflector, and the second reflector are installed on the rear side of the first adaptive driving beam module. The method according to claim 1,
Wherein the first beam pattern comprises a plurality of unit beam patterns,
The first adaptive driving beam module
And the counter vehicle emerging in front of the vehicle among the plurality of unit beam patterns lights off the unit beam pattern in the area corresponding to the position. 6. The method of claim 5,
Wherein the first adaptive driving beam module comprises:
A plurality of light sources and
And a lens that refracts light emitted from the plurality of light sources and emits the light into the plurality of unit beam patterns. The method according to claim 1,
Wherein the second adaptive driving beam module comprises:
Light source;
A part of the light emitted from the light source is reflected toward one side of the first beam pattern to form a part of the second beam pattern and another part of the light emitted from the light source is reflected on the other side of the first beam pattern To form a part of said second beam pattern. ≪ Desc / Clms Page number 24 > 8. The method of claim 7,
Wherein the light source is installed to emit light toward the rear of the vehicle,
And the third reflector is installed on the rear side of the light source. 9. The method of claim 8,
Wherein the light source and the third reflector are installed outside the first adaptive driving beam module with respect to the central axis of the vehicle.
KR1020160039093A 2016-03-31 2016-03-31 Lamp for vehicle KR20170112268A (en)

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KR1020160039093A KR20170112268A (en) 2016-03-31 2016-03-31 Lamp for vehicle

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Application Number Priority Date Filing Date Title
KR1020160039093A KR20170112268A (en) 2016-03-31 2016-03-31 Lamp for vehicle

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200121406A (en) 2019-04-15 2020-10-26 주식회사 에이엠에스 High beam adaptively controlled according to driving condition
WO2021124778A1 (en) * 2019-12-16 2021-06-24 株式会社小糸製作所 Automotive light fixture
DE102016108847B4 (en) * 2015-05-20 2021-07-01 Zkw Group Gmbh Lighting device for vehicle headlights
KR20210097958A (en) * 2020-01-31 2021-08-10 현대모비스 주식회사 Lamp for automobile and automobile including the same
WO2022185887A1 (en) * 2021-03-05 2022-09-09 株式会社小糸製作所 Vehicle lamp

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016108847B4 (en) * 2015-05-20 2021-07-01 Zkw Group Gmbh Lighting device for vehicle headlights
KR20200121406A (en) 2019-04-15 2020-10-26 주식회사 에이엠에스 High beam adaptively controlled according to driving condition
WO2021124778A1 (en) * 2019-12-16 2021-06-24 株式会社小糸製作所 Automotive light fixture
KR20210097958A (en) * 2020-01-31 2021-08-10 현대모비스 주식회사 Lamp for automobile and automobile including the same
US11326753B2 (en) 2020-01-31 2022-05-10 Hyundai Mobis Co., Ltd. Lamp for automobile and automobile including the same
WO2022185887A1 (en) * 2021-03-05 2022-09-09 株式会社小糸製作所 Vehicle lamp

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